MIAMI (AP) -- Authorities say an 11-year-old boy has died after a South Florida father opened fire on his family and then killed himself.
Miami police say Stefan Zuniga died from his wounds Thursday.
The previous night, police say 45-year-old Carlos Zuniga shot and wounded his wife and two children. The Miami Herald (http://hrld.us/YJi7Xj ) reports that Zuniga's wife and 14-year-old daughter remain in critical condition at a Miami hospital.
Carlos Zuniga was already dead when police arrived.
Authorities haven't released a motive for the shooting.